Is endoscopic papillary large balloon dilatation without endoscopic sphincterotomy effective?

Table 2 Outcome of endoscopic papillary large balloon dilation (n = 41) n (%)

Balloon size
10-12 mm/12-15 mm/15-18 mm/18-20 mm	10/20/8/3
Distal CBD (balloon diameter)/CBD stone ratio	1.03 ± 0.15
Maximum CBD/CBD stone ratio	1.25 ± 0.19
Waist disappearance	30/41 (73.1)
Procedure time (min)	44.5 ± 21.2
Complete stone removal	40/41 (97.5)
Sessions required for complete stone removal	1.2 ± 0.62
Application of ML	5/41 (12.2)
Amylase after EPLBD (IU/L)	427 ± 695

CBD: Common bile duct; ML: Mechanical lithotripsy.